content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl;
  
  import java.lang.invoke.*;
  
  /**
   * Utility class to turn lookup failures into errors and
   * avoiding the need for static initializer with uncoverable
   * catch clauses
   */
  public final class VH {
  
      /** Utility class. */
      private VH() {
          throw new IllegalStateException("No instances!");
      }
  
      public static VarHandle find(MethodHandles.Lookup lookup, Class<?> parent, String field, Class<?> type) {
          try {
              return lookup.findVarHandle(parent, field, type);
          } catch (Throwable ex) {
              throw new  InternalError(ex);
          }
      }
  
      public static VarHandle findStatic(MethodHandles.Lookup lookup, Class<?> parent, String field, Class<?> type) {
          try {
              return lookup.findStaticVarHandle(parent, field, type);
          } catch (Throwable ex) {
              throw new  InternalError(ex);
          }
      }
  }
  